| Sumario: | This paper offers a survey of my musical collaboration (2010–2013) with Italian composer Agostino Di Scipio onModes of Interference n.2(2006), for audio feedback system with saxophone and live-electronics, and builds on my PhD research on participative musical performance on mixed music for saxophones. Di Scipio composes a network of interactions: he does not compose the sounding structure itself of the piece, but rather a set of possibilities for a performer to experiment in sound. All the elements of the piece (such as the live-electronics equipment, the saxophone, and the environment) are mutually connected and influence each other. They constitute a dynamical system, as implemented by the composer. The saxophone is not expected only to produce a variety of noise materials, but also to act both as a control device and as a filter inside an audio feedback loop. This systemic approach requires from the player a new attitude towards the instrument, as well as new manners of listening to and reacting to the sound events emerging in the performance.
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